package com.smile67.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;

/**
 * 后端跨域设置
 *
 * @author smile67
 * @version 1.0
 * @projectName ag_ai_ms
 * @package com.smile67.config
 * @className CorsConfig
 * @date 2023/7/14 15:14
 */
@Configuration
public class CorsConfig {

    // 当前跨域请求最大有效时长。这里默认1天
    private static final long MAX_AGE = 24 * 60 * 60;

    @Bean
    public CorsFilter corsFilter() {
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        CorsConfiguration corsConfiguration = new CorsConfiguration();
        corsConfiguration.addAllowedOrigin("*"); // 1 设置访问源 地址
        corsConfiguration.addAllowedHeader("*"); // 2 设置访问源 请求头
        corsConfiguration.addAllowedMethod("*"); // 3 设置访问源 请求方法

        corsConfiguration.setMaxAge(MAX_AGE);
        source.registerCorsConfiguration("/**", corsConfiguration); // 4 对接口配置跨域设置
        return new CorsFilter(source);
    }
}